Datasheet

331
8023F–AVR–07/09
ATmega325P/3250P
Figure 27-32. I/O Pin Input Threshold Voltage vs. V
CC
, Port B (V
IL
, IO Pin Read as ¨0¨)
Figure 27-33. I/O Pin Input Hysteresis vs. V
CC
, Port B
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
CC
, PORT B
VIL, IO PIN READ AS '0'
85 °C
25 °C
-40 °C
0
0.5
1
1.5
2
2.5
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
Threshold (V)
I/O PIN INPUT HYSTERESIS vs. V
CC
, PORT B
85 °C
25 °C
-40 °C
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
Input Hysteresis (mV)